Greatest Common Factor of 15, 18, 59, 145

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 15, 18, 59, 145 by common division method
• Greatest Common Factor of 15, 18, 59, 145 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Greatest Common Factor

We found the factors 15,18,59,145 . The biggest common factor number is the GCF number.
So the greatest common factor 15,18,59,145 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 99, 99, 81, 864
• GCF of 20, 44, 16, 487
• GCF of 32, 68, 51, 727
• GCF of 32, 47, 63, 568
• GCF of 63, 43, 47, 769

1. What is the GCF of 15, 18, 59, 145?

Answer: GCF of 15, 18, 59, 145 is 1.

2. How to Find the GCF of 15, 18, 59, 145

Answer: Greatest Common Factor(GCF) of 15, 18, 59, 145 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(15, 18, 59, 145) = 1.